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Pros and cons of refinancing

By Jack Dona and Maria Gil
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woman using a calculated to calculate how much she will save when she refinances her home loan

Refinancing your home loan is a big decision, so it’s vital to consider the pros and cons and understand the different types of refinancing available. 

Whether you’re after a better deal or different features, refinancing your home loan to a lower rate can help reduce your mortgage repayments. But it’s important to note that refinancing is not without its costs and risks. 

A pros and cons list for refinancing a home loan, all of which are explained in the article below

Pros of refinancing

Reduce your mortgage payments

One of the main draws of refinancing is lowering your monthly mortgage bill. Using a mortgage repayment calculator, we can see that the difference between a 6.50% p.a. and a 6.00% p.a. interest rate is a saving of $154 per month, on a $500,000 loan paid over 25 years.

Reduce the total amount of interest you pay 

Refinancing to a lower interest rate doesn’t just have the short-term effect of lowering your monthly repayments. It can also save you big bucks over the long term. 

For example, if you had a $500,000 loan and paid 6.50% p.a. interest on it for 25 years, you’d pay double in interest than your initial loan balance by the time you’ve finished paying for it – $512,811. 

Refinancing to a 6.00% p.a. rate would cost you less, at $466,452 – a saving of $46,359.

Access your home equity 

Home equity refers to your loan-to-value ratio (LVR), the percentage of the property value you own rather than the lender. 

Typically, you build up your home equity as you pay down your mortgage because you own more of the house. This makes your LVR come down and is a great bargaining chip for lower interest rates. 

Home equity can also be used to:

Shorten your loan term

When you refinance, you can often choose a new loan term length. For example, you might shorten your loan term from a 25-year loan to a 15-year loan. 

Remember, a shorter loan length may mean your repayments increase. But, if you’re in a position to do so, paying off your loan quickly can save you from paying some of the extra interest that accrues with time.

Change the type of rate you’re on 

If you’re on a fixed rate and want to switch to a variable rate, or vice versa, refinancing is one way to do it. 

Obviously, this is where the costs of refinancing can come into play, especially if you need to pay a fixed rate break fee.

Cons of refinancing

Risk of losing equity 

Depending on the type of refinancing you opt for, you run the risk of reducing your home equity. This can mean, for example, you won’t qualify for the most competitive rates from your new lender.  

For example, if you have $100,000 in equity and take $30,000 out in cash out refinance, you’ll only have $70,000 equity left.

Risk of not qualifying for a new loan

Just because you qualified for your first mortgage, it doesn’t necessarily mean you’ll be approved for refinancing. 

Circumstances change over time and if your refinance application isn’t approved it will impact your credit score, which could make it harder to receive a lower interest rate in future applications.

The cost of refinancing 

From discharge fees to application fees, there are plenty of costs to refinance that you will want to weigh up. You might do the math and find you won’t save all that much by refinancing, once the fees are added up (especially if you’re breaking a fixed-rate contract). 

Monthly repayments could increase

If you refinance to a shorter term loan, your mortgage repayments will likely go up because you’ve reduced the time you have to pay off your loan.

Typically longer loans have smaller monthly repayments, but you accumulate more interest over the life of the loan. This is worth weighing up. With a shorter loan, you might pay less interest, but your repayments can be significantly larger.

Should I refinance my home loan?

When refinancing, weighing the pros and cons is essential. It’s also smart to get in touch with a professional financial advisor, who will be able to help you understand your options.

If you need more information about refinancing check out Mozo’s home loan guides, or, if you’re at the research stage of your refinancing journey, compare refinance home loans today. 

Mozo may receive payment if you click products on our site. We don’t compare the entire market, but you can compare more home loans here.
Last updated 16 February 2025 Important disclosures and comparison rate warning*
What are your home loan needs?

Your loan-to-value ratio (LVR): 50%

Loan amount and LVR will affect interest rates.

  • Promoted

    Unloan Variable

    • Owner Occupier
    • LVR <80%
    Interest rate
    5.99 % p.a.
    Variable
    Comparison rate
    5.90 % p.a.
    Initial monthly repayment
    $2,995
    Go to site

    Built by CommBank, the Unloan is the first home loan with an increasing discount (conditions apply) for borrowers. No application or banking fees. No monthly account keeping or early exit fees. Apply online in minutes.

  • Promoted

    Offset Home Loan

    • Fixed
    • Owner Occupier
    • Principal & Interest
    • LVR <70%
    Interest rate
    5.55 % p.a.
    Fixed 2 years
    Comparison rate
    6.28 % p.a.
    Initial monthly repayment
    $2,855
    Go to site

    Convenient offset account. No upfront or ongoing fees. Free extra repayments and redraw facility. Fast approval times. Min 30% deposit required. Borrow up to $10,000,000.

  • Promoted

    Variable Home Loan 90

    • Principal and Interest
    • LVR <90%
    Interest rate
    6.04 % p.a.
    Variable
    Comparison rate
    6.08 % p.a.
    Initial monthly repayment
    $3,011
    Go to site

    Affordable home loan rate for buyers or refinancers. No monthly or ongoing fees. Option to add an offset for 0.10%. Access to savings with unlimited redraws available. Minimum 10% deposit required.

  • Basic Home Loan

    • Fixed
    • Owner Occupier
    • Principal & Interest
    • LVR<70%
    Interest rate
    5.55 % p.a.
    Fixed 2 years
    Comparison rate
    6.05 % p.a.
    Initial monthly repayment
    $2,855
    Go to site

    No upfront or ongoing fees. Free extra repayments and redraw facility. Fast approval times. Min 30% deposit required. Borrow up to $10,000,000.

  • Offset Home Loan

    • Fixed
    • Owner Occupier
    • Principal & Interest
    • LVR <70%
    Interest rate
    5.55 % p.a.
    Fixed 2 years
    Comparison rate
    6.28 % p.a.
    Initial monthly repayment
    $2,855
    Go to site

    Convenient offset account. No upfront or ongoing fees. Free extra repayments and redraw facility. Fast approval times. Min 30% deposit required. Borrow up to $10,000,000.

  • Fixed Home Loan

    • Owner Occupier
    • Principal & Interest
    • LVR <95%
    Interest rate
    5.69 % p.a.
    Fixed 2 years
    Comparison rate
    6.20 % p.a.
    Initial monthly repayment
    $2,899
    Go to site

    Get the security of a competitive fixed rate home loan for 2 years with IMB. Get up to $4,000 cashback (T&Cs apply). Up to 12 months repayments in advance without penalties. Free Internet and Mobile Banking redraws (T&Cs apply). Up to a 30 year loan term. Split loan available. No offset account.

  • Fixed Rate Home Loan

    • Owner Occupier
    • Principal & Interest
    Interest rate
    5.74 % p.a.
    Fixed 2 years
    Comparison rate
    6.16 % p.a.
    Initial monthly repayment
    $2,915
    Go to site

    Secure a low rate and enjoy the certainty of repayments, with the BCU Fixed Rate Home Loan. Save with no ongoing annual fees. Pay up to $25,000 extra during a fixed period (T&Cs apply). Lock in for up to 5 years.

  • Fixed Rate Home Loan

    • Owner Occupier
    • LVR<80%
    Interest rate
    5.74 % p.a.
    Fixed 2 years
    Comparison rate
    6.21 % p.a.
    Initial monthly repayment
    $2,915
    Go to site

    Get repayment security with fixed rates from one to five years. Free extra repayments of up to $25,000 during the fixed rate period. Fix a portion of your loan and leave the rest variable. Choose to repay weekly, fortnightly, or monthly.

  • Everyday Home Loan

    • Owner Occupier
    • LVR <80%
    Interest rate
    5.94 % p.a.
    Variable
    Comparison rate
    5.99 % p.a.
    Initial monthly repayment
    $2,978
    Go to site

  • Unloan Variable

    • Owner Occupier
    • LVR <80%
    Interest rate
    5.99 % p.a.
    Variable
    Comparison rate
    5.90 % p.a.
    Initial monthly repayment
    $2,995
    Go to site

    Built by CommBank, the Unloan is the first home loan with an increasing discount (conditions apply) for borrowers. No application or banking fees. No monthly account keeping or early exit fees. Apply online in minutes.

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Jack Dona
Jack Dona
RG146
Senior money writer

Jack is degree-qualified in communications and creative writing, with a talent for simplifying financial jargon. His approach helps consumers make better decisions. Jack is RG146 certified in generic knowledge and uses flair to make finance interesting.

Maria Gil
Maria Gil
Money writer

Maria has five years of journalism experience and is currently a finance journalist covering home loans and property, personal finance and the currency exchange market. She has also completed her ASIC RG146 (Tier 2).

* WARNING: This comparison rate applies only to the example or examples given. Different amounts and terms will result in different comparison rates. Costs such as redraw fees or early repayment fees, and cost savings such as fee waivers, are not included in the comparison rate but may influence the cost of the loan. The comparison rate displayed is for a secured loan with monthly principal and interest repayments for $150,000 over 25 years.

** Initial monthly repayment figures are estimates only, based on the advertised rate. You can change the loan amount and term in the input boxes at the top of this table. Rates, fees and charges and therefore the total cost of the loan may vary depending on your loan amount, loan term, and credit history. Actual repayments will depend on your individual circumstances and interest rate changes.

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